Fulltext Sources Online (FSO) is a directory of periodicals accessible online in full text through 30 aggregators and content providers. Published biannually in
January and July, FSO lists over 45,000 newspapers, journals, magazines, newsletters, newswires, and transcripts.

Each title entry consists of the aggregators and databases that provide the publication online in full text. Coverage dates, frequencies, and lag times of titles appearing online, as well as ISSNs and document types, are included. Also provided are more than 39,000 publishers' URLs indicating free archives, selected coverage, and open access journals. Subject, geographic, and language indexes are supplied as well.

FSO is also available on the Internet as FSO Online and for license as FSOe.FSO Online provides the same complete information from FSO, and is updated weekly online. FSOe is the licensed text version of the FSO database for network or intranet use, with quarterly updates. Contact Lauri Rimler at 908-219-0088 or lwrimler@infotoday.com for pricing information.